9″ Cutting Discs available in 2mm or 1.9mm thickness. Excellent for cutting stainless steel, mild / black steel and all metal. Also good for aluminium fabricators. This is a commercial grade product that is of superior quality – INOX quality which is of the highest level. Please check our feedback for proof of our quality. AUSTRALIAN STANDARD AS1788.11987 by SAI Global – “5 Tick” Certified Product, INTERNATIONAL QUALITY ASSURANCE: ISO9001